NCP4547 Datasheet, PDF (1/10 Pages) ON Semiconductor – Advanced Load Management

NCP4547
ecoSwitcht
Advanced Load Management
Controlled Load Switch with Low R_ON
The NCP4547 load switch provides a component and area-reducing
solution for efficient power domain switching with inrush current
limit via soft start. It is designed to integrate control and driver
functionality with a high performance low on-resistance power
MOSFET in a single device. This cost effective solution is ideal for
power management and hot−swap applications requiring low power
consumption in a small footprint.
Features
• Advanced Controller with Charge Pump
• Integrated N−Channel MOSFET with ESD Protection
• Soft−Start via Adjustable Slew Rate Control
• Low On−Resistance
• Input Voltage Range 0.5 V to 6 V
• Low Standby Current
• Load Bleed Function
• No External Components Required
• Enable Pins with CMOS Input Levels
• This is a Pb−Free Device
Typical Applications
• Notebook and Tablet Computers
• Handheld Electronics
• Digital Cameras
• Portable Medical Devices
• Hard Drives
• Peripheral Ports
3 V − 5.5 V
Controller
0.5 V − 6 V
http://onsemi.com
R_ON TYP
4.7 mW
5.7 mW
V_CC
5.0 V
3.3 V
V_IN
1.8 V
5.0 V
I_MAX
21.5 A
MARKING
DIAGRAM
1
QFN26, 4x4
CASE 485BP
1 _NCP
4547
ALYW
G
A
= Assembly Location
L
= Wafer Lot
Y
= Year
W
= Work Week
G
= Pb−Free Package
ORDERING INFORMATION
Device
NCP4547IMNTWG
Package
QFN26
(Pb−Free)
Shipping^†
3000 /
Tape & Reel
†For information on tape and reel specifications,
including part orientation and tape sizes, please
refer to our Tape and Reel Packaging Specifications
Brochure, BRD8011/D.
Bandgap
&
Biases
Charge
Pump
RC
Oscillator
Delay and
Slew Rate
Control
Load
Figure 1. Typical Application − No external components included
© Semiconductor Components Industries, LLC, 2012
1
January, 2012 − Rev. 2
Publication Order Number:
NCP4547/D